Tribune file photo
Richard Morrison of Greeley walks out of the inside of the rotating platform of dairy cows at the Great Western Dairy outside of Ault. Legislators are pushing through a bill that would require rural cooperatives to use 25 percent renewable energy by 2020, and for their electricity users, like dairies, those costs will be passed on to them.

JIM RYDBOM/jrydbom@greeleytribune.com
A group of wind turbines at the Cedar Creek Wind Farm in northeastern Weld County. Legislators are pushing through a bill that would require rural cooperatives to use 25 percent renewable energy by 2020.